As per [architecture meeting](https://github.com/adobe-rnd/spacecat-infrastructure-docs/wiki/Architecture-Meetings#3-moving-existing-audits-to-the-new-auditbuilder-way---ekrem) migrate existing audits to the new AuditBuilder. This issue is for migration of the Broken backlinks audit.
As per architecture meeting migrate existing audits to the new AuditBuilder.
This issue is for migration of the Broken backlinks audit.